1
AP EAPCET 2022 - 4th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

A car covers a distance at speed of $$60 \mathrm{~km} \mathrm{~h}^{-1}$$. It returns and comes back to the original point moving at a speed of $$v$$. If the average speed for the round trip is $$48 \mathrm{~kmh}^{-1}$$, then the magnitude of $$v$$ is

A
$$40 \mathrm{~km} \mathrm{~h}^{-1}$$
B
$$36 \mathrm{~km} \mathrm{~h}^{-1}$$
C
$$44 \mathrm{~km} \mathrm{~h}^{-1}$$
D
$$32 \mathrm{~km~h}^{-1}$$
2
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The displacement of a particle starting from rest at $$t=0$$ is given by $$s=9 t^2-2 t^3$$. The time in seconds at which the particle will attain zero velocity is

A
8 s
B
6 s
C
4 s
D
3 s
3
AP EAPCET 2021 - 20th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two cars A and B are moving with a velocity of 30 km/h in the same direction. They are separated by 10 km. The speed of another car C moving in the opposite direction, if it meets these two cars at an interval of eight minutes is

A
45 km/h
B
40 km/h
C
15 km/h
D
30 km/h
4
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

An object travelling at a speed of 36 km/h comes to rest in a distance of 200 m after the brakes were applied. The retardation produced by the brakes is

A
0.25 ms$$^{-2}$$
B
0.20 ms$$^{-2}$$
C
0.15 ms$$^{-2}$$
D
0.10 ms$$^{-2}$$
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